Home / 2,702.58-3,726.84-1,863.36

Finding the Fourth Proportional to 2,702.58, 3,726.84 and 1,863.36

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Solution

The fourth proportional to 2,702.58, 3,726.84 and 1,863.36 is: 2,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.58 : 3,726.84 = 1,863.36 : x
  2. Step 2: Convert to fraction form
    2,702.58/3,726.84 = 1,863.36/x
  3. Step 3: Cross multiply
    2,702.58x = 3,726.84 × 1,863.36
  4. Step 4: Simplify right side
    2,702.58x = 6,944,444.58
  5. Step 5: Solve for x
    x = 6,944,444.58/2,702.58
  6. Step 6: Final answer
    x = 2,569.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.